Doctor at San Francisco Memorial Hospital
Dr. Williamson, who treated Piper Halliwell's infectious fever, unsuccessfully tries to recruit her for follow-up examinations in the hospital, and has been consulting Dr. Jeffries on the matter. Jeffries, however, refuses to let him go on and tells him to stop his obsessive experiments.
Dr. Jeffries has appeared in a total of 1 episode throughout the franchise.
- Season 2